blur v1

void blur(int height, int width, RGBTRIPLE image[height][width])
{
    // Create a copy of image
    RGBTRIPLE copy[height][width];
    for (int i = 0; i < height; i++)
    {
        for (int j = 0; j < width; j++)
        {
            copy[i][j] = image[i][j];
        }
    }

    for (int i = 0; i < height; i++)
    {
        for (int j = 0; j < width; j++)
        {
            int newRed = 0;
            int newGreen = 0;
            int newBlue = 0;
            float avgCount = 0.0;

            for (int k = -1; k <= 1; k++)
            {
                for (int l = -1; l <= -1; l++)
                {
                    if (!(i + k == -1) && !(i + k == height) && !(j + l == -1) && !(j + l == width))
                    {
                        newRed += copy[(i+k)][(j+l)].rgbtRed;
                        newGreen += copy[(i+k)][(j+l)].rgbtGreen;
                        newBlue += copy[(i+k)][(j+l)].rgbtBlue;
                        avgCount += 1.0;
                    }
                }
            }

            image[i][j].rgbtRed = round(newRed / avgCount);
            image[i][j].rgbtGreen = round(newGreen / avgCount);
            image[i][j].rgbtBlue = round(newBlue / avgCount);
        }
    }
    return;
}